addIndicator now adds to DOM, add special case for CodeInspection module
Small code cleanup
Make sure _beforeID element exists before inserting indicator before it
Add public parameter insertBefore to StatusBar.addIndicator()
Update 'busy' indicator comments
Merge pull request #6304 from lkcampbell/fix-5682

Fixed status bar so it can add indicators to itself again
Merge remote-tracking branch 'upstream/master' into quickOpenResizeScroll
code cleanup - as mentioned by @peterflynn